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422869880 = 23529364543
BaseRepresentation
bin11001001101000…
…111101101111000
31002110201000102102
4121031013231320
51331223314010
6105543322532
713323222536
oct3115075570
91073630372
10422869880
111a7776444
12b9750448
13697bb084
1440239156
15271ceba5
hex19347b78

422869880 has 32 divisors (see below), whose sum is σ = 984268800. Its totient is φ = 163314816.

The previous prime is 422869877. The next prime is 422869903. The reversal of 422869880 is 88968224.

It is a super-2 number, since 2×4228698802 = 357637870822428800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181112 + ... + 183431.

It is an arithmetic number, because the mean of its divisors is an integer number (30758400).

Almost surely, 2422869880 is an apocalyptic number.

422869880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422869880 is an abundant number, since it is smaller than the sum of its proper divisors (561398920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422869880 is a wasteful number, since it uses less digits than its factorization.

422869880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364583 (or 364579 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 422869880 is about 20563.8002324473. The cubic root of 422869880 is about 750.5890956857.

The spelling of 422869880 in words is "four hundred twenty-two million, eight hundred sixty-nine thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 364543 729086 1458172 1822715 2916344 3645430 7290860 10571747 14581720 21143494 42286988 52858735 84573976 105717470 211434940 422869880